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---
- name: prepare variables and do some sanity checks
hosts: _kubernetes_nodes_
gather_facts: no
tasks:
- name: sanity checks for kubeguard
when: kubernetes_network_plugin == 'kubeguard'
run_once: yes
block:
- name: check whether every node has a node_index assigned
assert:
msg: "There are nodes without an assigned node_index: {{ groups['_kubernetes_nodes_'] | difference(kubeguard.node_index.keys()) | join(', ') }}"
that: groups['_kubernetes_nodes_'] | difference(kubeguard.node_index.keys()) | length == 0
- name: check whether node indizes are unique
assert:
msg: "There are duplicate entries in the node_index table, every node_index is only allowed once"
that: (kubeguard.node_index.keys() | length) == (kubeguard.node_index.values() | unique | length)
- name: check whether node indizes are all > 0
assert:
msg: "At least one node_index is < 1 (indizes start at 1)"
that: (kubeguard.node_index.values() | min) > 0
- name: check whether overlay node ip is configured
assert:
msg: "For kubeguard to work you need to configure kubernetes_overlay_node_ip"
that: kubernetes_overlay_node_ip is defined
- name: make sure all nodes do belong to the kubernetes-cluster group
assert:
msg: "The host '{{ inventory_hostname }}' does not belong to the group 'kubernetes-cluster'"
that: "'kubernetes-cluster' in group_names"
########
- name: kubernetes base installation
hosts: _kubernetes_nodes_
roles:
- role: apt-repo/spreadspace
- role: kubernetes/base
- role: kubernetes/kubeadm/base
- name: configure primary kubernetes control-plane node
hosts: _kubernetes_primary_controlplane_node_
roles:
- role: kubernetes/kubeadm/control-plane
- name: configure secondary kubernetes control-plane nodes
hosts: _kubernetes_controlplane_nodes_:!_kubernetes_primary_controlplane_node_
roles:
- role: kubernetes/kubeadm/control-plane
- name: configure kubernetes worker nodes
hosts: _kubernetes_nodes_:!_kubernetes_controlplane_nodes_
roles:
- role: kubernetes/kubeadm/worker
- name: finalize nodes
hosts: _kubernetes_nodes_
roles:
- role: kubernetes/decorations
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